Some examples of flowers that butterflies like are cosmos, Queen Anne’s lace, zinnia, butterfly weed, coneflowers, New England asters, spearmint, milkweed, yarrow, phlox, ironweed, thistles, verbena, goldenrod, Shasta daisy, coreopsis, black-ey
Vertical Succulent Garden by floragrubb: 20 x 20" panels with 45 slanted cells to support planats and soil when mounted vertically. The unit in the picture is made of 6 panels, each $79. Now, if I could only figure out how to make the panels myself..